otherworldly

adjective

1. of, relating to, or devoted to another world, as the world of imagination or the world to come.

adjective

1. of or relating to the spiritual or imaginative world
2. impractical or unworldly

adj.1854, from other + world + -ly (1). Otherworldliness is recorded from 1819. Phrase other world “world of idealism or fantasy, afterlife, spirit-land” is c.1200.